The business was established in 1976 in İstanbul by H.Demirel EYYUBOGLU under the name Divsan.Until the mid-1980s,the company primarly designed and manufactured turn-key water treatment plants.

In 1980,ARITAS created a line for cryogenics,focusing on designing and manufacturing of cryogenics equipment and pressure vessels.

In 1998 the company manufactured the first of many 150.000 liter liquid oxygen and nitrogen storage tanks.The production of higher capacity tanks launched the company into Europe,Africa and the Middle East's cryogenic market as a well known brand.

In 2014,Worthington Industries,Inc.acquired 75 percent stake in the company.